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29
May
Cube Root

Cube Root   :   The cube root of  a given number  x  is the number whose cube is  x. We denote the cube root of  x  by \sqrt[3]{x}

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Posted in: Cube Root,
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29
May
Square Root

Square Root : The square root of  a given number is that number whose square is equal to the given number.

If   x2 = y,  we say that square root of  ‘y’ is  ‘x’ and  we write,

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Posted in: Square Root,
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29
May
Square, Square Roots & Cube Roots

☼ Square of  a number : If a number is multiplied by itself the product so obtained is called the square of  that number.

 e.g. Square of  9  =  9 \times

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Posted in: Square Roots & Cube Roots,
Tags: classes, theorem, sutr, class, theorems, Examples, education, definition, SUMS, Square, online, definitions, example, Roots, tutorial, fundamental, math, &, educational, basic, Parin, Cube, maths, base, sir, mathematics, sum, bhai, ganit, dakhla, Mehta, concept, formula, maheta, proof, sutra,
29
May
Examples

(1) 0.000008569 when expressed in scientific notation, is :

Soln. 0.000008569    =    8.569  \times

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29
May
H.C.F. & L.C.M. of Decimal Fractions

■ Rule  :   In the given decimal numerals, make same number of  decimal places by annexing zeros if needed. Considering these numbers without decimal places, find H.C.F.  or  L.C.M. as the case may be. Now, in the re…

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Posted in: H.C.F. & L.C.M. of Decimal Fractions,
Tags: mathematics, sum, bhai, ganit, dakhla, Mehta, concept, formula, maheta, proof, sutra, classes, theorem, Examples, sutr, class, theorems, SUMS, decimal, education, definition, example, online, definitions, math, H.C.F., tutorial, fundamental, of, & L.C.M., educational, basic, Parin, maths, base, sir,
29
May
Dividing a Decimal Fraction by a Decimal Fraction

■ Rule  :   Multiply both the dividend and the divisor by a suitable power of  10 to make the divisor a whole number. Now, proceed as above.

 e.g. (i) Evaluate :  (a)  42

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Posted in: Dividing a Decimal Fraction by a Decimal Fraction,
Tags: theorems, Examples, decimal, education, definition, SUMS, Fraction, online, definitions, example, tutorial, fundamental, math, Dividing a Decimal, educational, basic, Parin, maths, base, sir, mathematics, sum, bhai, ganit, dakhla, Mehta, concept, formula, maheta, proof, sutra, classes, theorem, sutr, class,
28
May
Dividing a Decimal Fraction by a Counting Number

■ Rule  :   Divide the given decimal fraction without the decimal point by the given counting number. Now, in the quotient, put the decimal point to give as many paces of  decimal as are there in the dividend.

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Posted in: Dividing a Decimal Fraction by a Counting Number,
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28
May
Multiplication of Two or More Decimal Fractions

■ Rule  :   Multiply the given numbers considering them without the decimal point. In the product, the decimal point is marked off  to obtain as many places of  decimal as is the sum of  the number of  decimal places…

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28
May
Multiplication of a Decimal Fraction by a Power of 10

■ Rule  :   Shift the decimal point to the right by as many places of  decimal as is the power of  10.

 e.g. Evaluate  :   (i)  5.4203  100        (ii)  .0189  1000         (iii)  .003  100…

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Posted in: Multiplication of a Decimal Fraction by a Power of 10,
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28
May
Converting a Decimal Into a Vulgar Fraction

■ Rule  :   In  the denominator, put  1  under the decimal point and annex with it as many zeros  as is the number of  digits after the decimal point. Now, remove the decimal point and reduce the fraction to lowest t…

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Posted in: Converting a Decimal Into a Vulgar Fraction,
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