Question

Q6.(a) If a2 + b2 = 65 and ab = 28. Find the value of a+b
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Answer 1

Answer:

ANS is 11

Step-by-step explanation:

(a+b)² = a²+b²+2ab

= 65+2(28)

=65+ 56

=121

(a+b)²=121

a+b =11

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