Question

9. If a - b = 4 and a + b = 6; find :
(i) a2 + b2
(ii) ab​

Answer 1

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Answer 2

Answer:

a-b=4

a+b=6

2a=10

a=5

b=1

(ii)ab=5×1=5

(i)a2+b2=(a+b)^2-2ab

6^2-2×5

36-10

:26

Step-by-step explanation:

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