1 + 2a - 2√a(1+a)
√1(1+a)
2a - 2√a(1+a)
1 + 2a - 2√a+b
Correct answer is A
√1+a−√a1+a+√a = √1+a−√a√1+a+√a x √1+a−√a√1+a−√a
= √1+a+a1+a−a
= 2a + a(1 + a)
= 1 + 2a - 2√a(1+a)
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