Advertisements
Advertisements
प्रश्न
Use the properties of exponents to verify that statement is true.
25(5n – 2) = 5n
बेरीज
Advertisements
उत्तर
LHS = 25(5n – 2)
= 52(5n ÷ 52)
= `5^2 xx 5^n xx 1/5^2`
= 5n
= RHS
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Exponents and Powers - Exercise [पृष्ठ २६४]
APPEARS IN
संबंधित प्रश्न
Find the value of `1/(3^(-2))`.
The value of `1/4^-2` is ______.
The value of `(-2/3)^4` is equal to ______.
`(-5/7)^-5` is equal to ______.
The value of [2–1 × 3–1]–1 is ______.
Find a repeater machine that will do the same work as a `(xx 1/8)` machine.
The diameter of the Sun is 1.4 × 109 m and the diameter of the Earth is 1.2756 × 107 m. Compare their diameters by division.
Find x.
2x + 2x + 2x = 192
Find x.
5x + 5x – 1 = 750
If a = – 1, b = 2, then find the value of the following:
ab + ba
