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CBSE Class 10 Answered

Find a vector which is (a) Parallel to both -i – j and 2i – 5j (b) Perpendicular to both -i – j and 2i – 5j
Asked by viraat.verma26 | 16 Jan, 2022, 10:48: AM
answered-by-expert Expert Answer
Find space cross space product space left parenthesis negative space straight i space minus space straight j right parenthesis space cross times space left parenthesis 2 straight i space – space 5 straight j right parenthesis Answers colon open parentheses straight a close parentheses fraction numerator left parenthesis negative space straight i space minus space straight j right parenthesis space cross times space left parenthesis 2 straight i space – space 5 straight j right parenthesis over denominator open vertical bar left parenthesis negative space straight i space minus space straight j right parenthesis space cross times space left parenthesis 2 straight i space – space 5 straight j right parenthesis close vertical bar end fraction open parentheses straight b close parentheses left parenthesis negative space straight i space minus space straight j right parenthesis space cross times space left parenthesis 2 straight i space – space 5 straight j right parenthesis
 
Answered by Arun | 20 Jan, 2022, 09:30: AM

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