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Given that tanalpha and tanbeta,x^2-p x...

Given that `tanalpha` and `tanbeta,x^2-p x+q=0` , then value of `sin^2(alpha+beta)=` `(p^2)/(p^2+(1-q)^2)` (b) `(p^2)/(p^2+q^2)` `(q^2)/(p^2+(1-q)^2)` (d) `(p^2)/((p+q)^2)`

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