Physics, asked by nishantsadikale41, 1 year ago

if a = 2i + 3j + 4k and b = 4i + 2j + 5k, then find 4a + 3b

Answers

Answered by krishnasnair

0

the answer is 20i+18j+31k

Answered by GragoryRai

0

4a=4(2i+3j+4k)=8i+12j+16k

3b=3(4i+2j+5k)=12i + 6j + 15k

4a+3b=

20i + 18j + 31k

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