Advertisements
Advertisements
प्रश्न
If a = 3 and b = -2, find the values of :
ab + ba
Advertisements
उत्तर
ab + ba
Here a = 3 and b = -2
Put the values in the expression ab + ba
3-2 + (-2)3
`=(1/3)^2+(-8)`
`=1/9-8`
`=(1-72)/9`
`=-71/9`
APPEARS IN
संबंधित प्रश्न
Simplify:-
`2^(2/3). 2^(1/5)`
Prove that:
`1/(1+x^(a-b))+1/(1+x^(b-a))=1`
Show that:
`(x^(a-b))^(a+b)(x^(b-c))^(b+c)(x^(c-a))^(c+a)=1`
Show that:
`{(x^(a-a^-1))^(1/(a-1))}^(a/(a+1))=x`
If 2x = 3y = 6-z, show that `1/x+1/y+1/z=0`
The product of the square root of x with the cube root of x is
Which one of the following is not equal to \[\left( \sqrt[3]{8} \right)^{- 1/2} ?\]
If \[\sqrt{5^n} = 125\] then `5nsqrt64`=
If \[2^{- m} \times \frac{1}{2^m} = \frac{1}{4},\] then \[\frac{1}{14}\left\{ ( 4^m )^{1/2} + \left( \frac{1}{5^m} \right)^{- 1} \right\}\] is equal to
Simplify:
`7^(1/2) . 8^(1/2)`
