x m n is equal to-A- xm-nB- x mnC-D- x m - n

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Standard VII

Mathematics

Power Law of Exponent

x m n is equa...

Question

$(x^{m})^{n}$ is equal to:

$x^{(m + n)}$

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$x^{m n}$

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$\frac{m}{x^{n}}$

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$x^{(m - n)}$

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Solution

The correct option is B
$x^{m n}$

$(x^{m})^{n}$ = $x^{m n}$

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Similar questions

$(x^{m})^{n}$ is equal to:

Question 12

In the following question, out of the four options, only one is correct. Write the correct answer:

If x be any non-zero integer and m,n be negative integers, then $x^{m} \times x^{n}$ is equal to:
(a) $x^{m}$
(b) $x^{(m + n)}$
(c) $x^{n}$
(d) $x^{(m - n)}$

The coefficient of $x^{m}$ in $(1 + x)^{m} + (1 + x)^{m + 1} + . . . . . + (1 + x)^{n}$ , m £ n is

Q. The coefficient of

x^{m}

in :

{(1 + x)}^{m} + {(1 + x)}^{m + 1} + . . . . + {(1 + x)}^{n}, m \leq n

Q. In the binomial expansion of

(1 + x)^{m + n}

, prove that the coefficients of

x^{m}

and

x^{n}

are equal.

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(xm)n is equal to:

The correct option is B xmn (xm)n = xmn

$(x^{m})^{n}$ is equal to:

The correct option is B
$x^{m n}$

$(x^{m})^{n}$ = $x^{m n}$