Question

if a+b=10and ab-16 find the value of a2-ab+b2

Answer 1

Answer:

52

Step-by-step explanation:

Since, a+b=10

Squaring both sides, we get

(a+b)²=10²

a²+b²+2ab=100

a²+b²=100-32

a²+b²=68..... (1)

Now, ATQ

a²+b² -ab

=68-16 = 52 Answer