Question

if P is equals to 7 i cap+ 5 J cap + 2 k cap and Q is equal to two i cap - 3 J cap + 5 k cap find (P + Q). (P-Q)......answer shuld b 40 ....plz explain in detail guys ​

Answer 1

$\huge{\boxed{\boxed{\sf{Answer \: = \: 40}}}}$

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