document.write( "Question 1156487: The magnitude of vector λa is 5. Find the value of λ, if:\r
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Algebra.Com's Answer #779194 by ikleyn(52937)\"\" \"About 
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document.write( "The magnitude of the vector a is  ||a|| = \"sqrt%28%28-6%29%5E2%2B+8%5E2%29\" = \"sqrt%2836%2B64%29\" = 10.\r\n" );
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document.write( "Therefore,  λ = \"5%2F10\" = 0.5.    ANSWER\r\n" );
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