8. What term should be added to each of the
following expressions to make it a perfect
square?
(i) 4a2 + 28a
(ii) 36a² + 49b2
(iji) 4^a² + 81
(iv) 9a2 + 2ab + b2
(v) 49a4 + 50a2b2 + 16b4
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Answer:
(i)4a2 + 28a+196
(ii) 36a² + 49b2+42ab
(iji) 4a² + 81+ 18a
(iv) 9a2 + 2ab + b2+(-5a2)
(v) 49a4 + 50a2b2 + 16b4+( -22a2b2)
Step-by-step explanation:
square equation should be (a+b)2 type
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