C = 5 A + 2 B
= 5*(9 i + 3 j) + 2*(2 i + 4 j)
= 45 i + 15 j + 4 i + 8 j
= 49 i + 23 j
Magnitude of C = sqrt(49^2 + 23^2)
= 54.13
What is magnitude of the vector C, where C = 5A+2B, where A= 9i + 3j...
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