Advertisements
Advertisements
Question
If a = 3 and b = -2, find the values of :
(a + b)ab
Advertisements
Solution
(a + b)ab
Here a = 3 and b = -2
Put the values in the expression (a + b)ab
(3 + (-2))3(-2)
= (1)-6
= 1
APPEARS IN
RELATED QUESTIONS
Prove that:
`(a+b+c)/(a^-1b^-1+b^-1c^-1+c^-1a^-1)=abc`
Simplify the following:
`(3^nxx9^(n+1))/(3^(n-1)xx9^(n-1))`
Solve the following equation for x:
`2^(x+1)=4^(x-3)`
Given `4725=3^a5^b7^c,` find
(i) the integral values of a, b and c
(ii) the value of `2^-a3^b7^c`
Simplify:
`root5((32)^-3)`
Prove that:
`sqrt(3xx5^-3)divroot3(3^-1)sqrt5xxroot6(3xx5^6)=3/5`
For any positive real number x, find the value of \[\left( \frac{x^a}{x^b} \right)^{a + b} \times \left( \frac{x^b}{x^c} \right)^{b + c} \times \left( \frac{x^c}{x^a} \right)^{c + a}\].
Which of the following is (are) not equal to \[\left\{ \left( \frac{5}{6} \right)^{1/5} \right\}^{- 1/6}\] ?
If \[\sqrt{2^n} = 1024,\] then \[{3^2}^\left( \frac{n}{4} - 4 \right) =\]
Find:-
`32^(2/5)`
