24. If A = 3 i + 4 j and B = 7 + 24...
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24. If A = 3 i + 4 j and B = 7 + 24 ſ, the vector having the same magnitude as B and parallel to A is (a) 5i + 20 j (b) 15i + 10 j u 20 i +15 (d) 15î + 20

JEE/Engineering Exams
Maths
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( vec{A}=3 hat{imath}+4 hat{jmath} ; vec{B}=7 hat{imath}+24 hat{jmath} ) ( |vec{B}|=sqrt{(7)^{2}+(24)^{2}}=25^{circ} ) Vetto Unit vector along ( vec{A}=frac{3 hat{1}+4 j}{5} ) Vector have same magnitude as ( B ) and ( u^{text {ol }} ) to ( A ) [ =25left(frac{3 hat{1}+4 sqrt{n}}{5}right)=15 hat{1}+20 j ] Ophion ( 1 d )
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