Question

if a-b=4 and a+b=6 find a^2+b^2 and ab

Answer 1

Answer:

a^2+b^2 =25+1=26

ab=5

Step-by-step explanation:

value of a=5 and b=1

a^2+b^2 =25+1=26

and ab=5

Answer 2

Step-by-step explanation:

(a + b ) ( a - b ) = a^2 + b^2

6 x 4 = 6^2 + 4^2

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36 + 16 = 42