If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20 then the – McqOptions

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1.	If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20 then the value of a+b+cx+y+za+b+cx+y+z = ?
A.	35353535353535353535335535
B.	45454545454545454545445545
C.	53535353535353535353553353
D.	54545454545454545454554454
Answer» B. 45454545454545454545445545

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