Question

Given that
a+b=10 and a2-b2=40 find the value of (a-b)

Answer 1

Hi...☺

Here is your answer...✌

Given that,

a + b = 10 and a²- b² = 40

Using identity

We have,

a² - b² = (a + b)(a - b)

40 = 10 (a - b)

=> a - b = 40/10

=> a - b = 4