Advertisements
Advertisements
प्रश्न
`(2/5)^3 ÷ (5/2)^3 = 1`
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Here, `(2/5)^3 ÷ (5/2)^3 = (2/5)^3 xx (2/5)^3` ...`[∵ (a/b) ÷ (c/d) = a/b xx d/c]`
= `(2/5)^(3 + 3)` ...[∵ am × an = am + n]
= `(2/5)^6`
Hence, `(2/5)^3 ÷ (5/2)^3 ≠ 1`
APPEARS IN
संबंधित प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
a3 × a2
Simplify and express the following in exponential form:
`(2^3 xx 3^4 xx 4)/(3 xx 32)`
Simplify and express the following in exponential form:
`(3 xx 7^2 xx 11^8)/(21 xx 11^3)`
Express the following as a product of prime factors only in exponential form:
768
Solve: (-3)2 × (-3)3.
Express the following in exponential form.
2 × 2 × a × a
Express the following numbers using exponential form.
343
Express the following numbers using exponential form.
729
Simplify the following.
32 × 24
xm × xn = xm + n, where x is a non-zero rational number and m, n are positive integers.
