Q350
If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20 then the value of a + b + cx + y + z = ?
If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20 then the value of = ?
A.
B.
Answer
C.
D.
Answer: Option B
Solution
Answer: Option B
Solution: