Advertisements
Advertisements
प्रश्न
Evaluate:
`(2^-1+3^-1)^3`
योग
Advertisements
उत्तर
`(2^-1+3^-1)^3`
=`(1/2+1/3)^3=((1xx3)/(2xx3)+(1xx2)/(3xx2))^3`
=`((3+2)/6)^3=(5/6)^3`
=`(5xx5xx5)/(6xx6xx6)=125/216`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Express the following in exponential form:
2 × 2 × a × a
Simplify:
(−4)3
Evaluate:
`(3^-1xx9^-1)÷3^-2`
Evaluate:
`(2^2+3^2)xx(1/2)^2`
Expand a3b2, a2b3, b2a3, b3a2. Are they all same?
Work out (1)5, (–1)3, (–1)4, (–10)3, (–5)4
Find the value of 25.
Express the following numbers using exponential notations:
1029
Express the following as a product of powers of their prime factors:
9000
The number of diagonals of an n-sided figure is `1/2(n^2 - 3n)`. Use the formula to find the number of diagonals for a 6-sided figure (hexagon).
