CBSE Class 12-science Answered
if the points (a1,b1),(a2,b2) and (a1+a2,b1+b2) are collinear then show that a1b2=a2b1.
Asked by sreenanda dhar | 21 Feb, 2014, 12:17: AM
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Answered by | 21 Feb, 2014, 09:16: AM
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CBSE 12-science - Maths
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If |𝑎⃗| = 3 and −1 ≤ 𝑘 ≤ 2, then |𝑘𝑎⃗| lies in the interval
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