IF a + b = 1, c + d = 1 and a - b = dc,dc, then the value of c2 + d2 = – McqOptions

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1.	IF a + b = 1, c + d = 1 and a - b = dc,dc, then the value of c2 + d2 = ?
A.	ababababababababababaabbab
B.	bababababababababababbaaba
C.	1
D.	-1
Answer» B. bababababababababababbaaba

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