If a + b - c = 12 and a2 + b2 + c2 = 110, then which among the followi – McqOptions

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1.	If a + b - c = 12 and a2 + b2 + c2 = 110, then which among the following relation sis true?(p) ab + bc + ca = 34(q) ab + bc - ca = 17(r) ab - bc + ca = 17(s) ab - bc - ca = 17
A.	(q)
B.	(s)
C.	(r)
D.	(p)
Answer» C. (r)

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