a square + b square is equal to 34 AB is equal to 15 find the value of a + b
Answers
Answered by
2
a^2 + b^2 = 34 -----(1)
ab = 15 -----(2)
We know that,
(a+b)^2 = a^2 + b^2 + 2ab
=> (a+b)^2 = 34 + 2 × 15
=> (a+b)^2 = 34 + 30
=> (a+b)^2 = 64
=> a +b = 8
ab = 15 -----(2)
We know that,
(a+b)^2 = a^2 + b^2 + 2ab
=> (a+b)^2 = 34 + 2 × 15
=> (a+b)^2 = 34 + 30
=> (a+b)^2 = 64
=> a +b = 8
devasya1:
thankyou for helping me
Answered by
0
see attachment
hope it will help you
hope it will help you
Attachments:
Similar questions