Advertisements
Advertisements
प्रश्न
Square of `(-2/3)` is ______.
पर्याय
`(-2)/3`
`2/3`
`(-4)/9`
`4/9`
उत्तर
Square of `(-2/3)` is `bb(underline(4/9))`.
Explanation:
Square of `(-2)/3` is `((-2)/3)^2`
So, `((-2)/3)^2 = ((-2)/3) xx ((-2)/3) = 4/9` ......[∵ Multiplication of two rational numbers with same sign is always positive]
APPEARS IN
संबंधित प्रश्न
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:
20 × 30 × 40
Say true or false and justify your answer:
23 × 32 = 65
Express the following as a product of prime factors only in exponential form:
768
Simplify the following.
32 × 24
If 21998 – 21997 – 21996 + 21995 = k.21995, then the value of k is ______.
`(11/15)^4 xx (_)^5 = (11/15)^9`
`(7/3)^2 xx (7/3)^5 = (7/3)^10`
A googol is the number 1 followed by 100 zeroes.
- How is a googol written as a power?
- How is a googol times a googol written as a power?
