Advertisements
Advertisements
प्रश्न
If a = 3 and b = -2, find the values of :
aa + bb
Advertisements
उत्तर
aa + bb
Here a = 3 and b = -2
Put the values in the expression aa + bb
33 + (-2)-2
`=27+1/(-2)^2`
`=27+1/4`
`=(108+1)/4`
`=109/4`
APPEARS IN
संबंधित प्रश्न
Simplify the following
`(a^(3n-9))^6/(a^(2n-4))`
Solve the following equation for x:
`4^(x-1)xx(0.5)^(3-2x)=(1/8)^x`
Find the value of x in the following:
`(sqrt(3/5))^(x+1)=125/27`
Solve the following equation:
`3^(x+1)=27xx3^4`
If `a=x^(m+n)y^l, b=x^(n+l)y^m` and `c=x^(l+m)y^n,` Prove that `a^(m-n)b^(n-l)c^(l-m)=1`
If `x = a^(m + n), y = a^(n + l)` and `z = a^(l + m),` prove that `x^my^nz^l = x^ny^lz^m`
State the product law of exponents.
Write \[\left( \frac{1}{9} \right)^{- 1/2} \times (64 )^{- 1/3}\] as a rational number.
The seventh root of x divided by the eighth root of x is
Simplify:
`11^(1/2)/11^(1/4)`
