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Syllabus

Q.17. $12{a}^{2}-7ax-12{x}^{2}by2a-4x$

Q. (iv) $\frac{1}{3}\left(7x-1\right)=\frac{1}{4}$

Q.17. $12{a}^{2}-7ax-12{x}^{2}by2a-4x$

4.Ifr= 6, ands= 3, find the value of:(i) $\frac{2{r}^{2}+7r+15}{{r}^{2}-3r+9}$

5.The value of the expression 2y^{2}–x– 3z^{3}forx= –2,y= 2 and z = –1 is(a) 9

(b) 13

(c) 3

(d) 7

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