1+pqp−q 8. m+nm−n 0 11. 2a2+b2−2 12. 4π

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{p-q}{1+p q} 8. {m-n}{m+n} 0 11. {a^{2}+b^{2}-2}{2} 12. {}{4}

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$\frac{p - q}{1 + pq}$ 8. $\frac{m - n}{m + n}$ 0 11. $\frac{a ^{2} + b ^{2} - 2}{2}$ 12. $\frac{π}{4}$

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Elizabeth Discussed

\frac{p - q}{1 + pq}

\frac{m - n}{m + n}

0 11.

\frac{a ^{2} + b ^{2} - 2}{2}

12.

\frac{π}{4}

9 mins ago

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Question Text	$\frac{p - q}{1 + pq}$ 8. $\frac{m - n}{m + n}$ 0 11. $\frac{a ^{2} + b ^{2} - 2}{2}$ 12. $\frac{π}{4}$
Topic	Atoms, Nuclei & Dual nature
Subject	Physics
Class	Class 11