Advertisements
Advertisements
प्रश्न
Use the properties of exponents to verify that statement is true.
`1/4 (2^n) = 2^(n - 2)`
Advertisements
उत्तर
RHS = 2n – 2
= 2n ÷ 22 ...[∵ am ÷ an = (a)m – n]
= `2^n/4`
= LHS
APPEARS IN
संबंधित प्रश्न
For a non-zero integer x, (x4)–3 is equal to ______.
The value of (7–1 – 8–1) –1 – (3–1 – 4–1) –1 is ______.
55 × 5–5 = ______.
`[(2/13)^-6 ÷ (2/13)^3]^3 xx (2/13)^-9` = ______.
A new born bear weighs 4 kg. How many kilograms might a five year old bear weigh if its weight increases by the power of 2 in 5 years?
Find a single machine that will do the same job as the given hook-up.
a (× 23) machine followed by (× 2–2) machine.
Find a single machine that will do the same job as the given hook-up.
a (× 24) machine followed by `(xx (1/2)^2)` machine.
Find a single repeater machine that will do the same work as hook-up.

Find x.
5x + 5x – 1 = 750
If a = – 1, b = 2, then find the value of the following:
ab ÷ ba
