Advertisements
Advertisements
प्रश्न
`(2/3)^-2 xx (2/3)^-5 = (2/3)^10`
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
LHS = `(2/3)^-2 xx (2/3)^-5`
Using law of exponents,
am × an = (a)m + n ...[∵ a is non-zero integer]
∴ `(2/3)^-2 xx (2/3)^-5 = (2/3)^(-2 - 5) = (2/3)^-7`
LHS ≠ RHS
APPEARS IN
संबंधित प्रश्न
If x be any integer different from zero and m be any positive integer, then x–m is equal to ______.
If x be any integer different from zero and m, n be any integers, then (xm)n is equal to ______.
For a non-zero integer x, (x4)–3 is equal to ______.
By multiplying `(5/3)^4` by ______ we get 54.
On dividing 85 by ______ we get 8.
329.25 = 3 × 102 + 2 × 101 + 9 × 100 + 2 × 10–1 + 5 × 10–2
The value of `1/4^-2` is equal to 16.
`a^m = 1/a^-m`
Find x so that `(2/9)^3 xx (2/9)^-6 = (2/9)^(2x - 1)`
Find a single repeater machine that will do the same work as hook-up.

