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![If A = [ 1 2 0 2 0 6 3 4 7 ] and B = [ 3 2 1 4 1 2 5 0 1 ] Find (i) A + 2B (ii) 2B − 3A (iii) A · B](/thumb?url=http%3A%2F%2Finvidious%3A3000%2Fvi%2FGp8ApWI2wUg%2Fmqdefault.jpg)
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![Find the rank of the following matrix [ 1 2 -1 3, 4 1 2 1, 3 -1 1 2, 1 2 0 1 ] (4×4) | #matrix #math](/thumb?url=http%3A%2F%2Finvidious%3A3000%2Fvi%2F4Jz9-R77u1A%2Fmqdefault.jpg)
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![Show that the middle term in the expansion of (1 + x)^(2n) is [(1·3·5·...·(2n−1)) / n!] · 2ⁿ · xⁿ](/thumb?url=http%3A%2F%2Finvidious%3A3000%2Fvi%2Fg1oHdmSiiXw%2Fmqdefault.jpg)
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