Question

If a-b=4 and a+b=6; then a²+b² is

Answer 1

Answer:

=26

a+b=6 ———-equation 1

a-b=4 ———-equation 2

adding both the equations,

a+b+a-b=6+4

2a=10

a=5//

Substitute a’s value in equation 1,

5+b=6

b=1//

Hence,

a²+b² = 5² + 1²

=25 + 1

=26

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