Q89 of 100 Page 312

If = 2x + 3, x + 7 and = x – 3, then find the value of :

i.


ii.

(i) 2(2×6+3)+()-(1-3)



(ii)


= 1


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The sum of squares of first n natural numbers is given by or Find the sum of squares of the first 10 natural numbers.

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(b) Table of 10


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ii.

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