Question

71) IF a+b=7 and a2 +b2=29, find ab
1.2​

Answer 1

Step-by-step explanation:

This is the answer

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Answer 2

Answer:

a=5 and b=2

Step-by-step explanation:

5+2=7

a2 means a power to 2, a=5 then, 5 power to 2= 5×5 = 25 and

b2 means b power to 2,b=2 then, 2 power to 2= 2×2=4 then, 25+4=29.