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If the vector →p=(a+1)^i+a^j+a^k,→q=a^i+(a+1)^j+a^k and →r=a^i+a^j+(a+1)^k, (a∈R) are coplanar and 3(→p.→q)2−λ|→r×→q|2=0, then value of` λ is |
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Answer» If the vector →p=(a+1)^i+a^j+a^k,→q=a^i+(a+1)^j+a^k and →r=a^i+a^j+(a+1)^k, (a∈R) are coplanar and 3(→p.→q)2−λ|→r×→q|2=0, then value of` λ is |
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