if tanαtanβ =-a^2/b^2 then the chord joining α and β will subtend right angles at(I) Focus(II) Centre(III)Major Axis(IV)Minor axis

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Dilli PRASAD · Answer

Given tan h . tank =-a^2/b^2b^2/a^2). Tanh .tank =-1(bsinh/acosh)(bsink/acosk)=-1(bsinh-0)/(acosh-0)*(bsink-0)/(acosk-0)=-1CP slope * CQ slope =-1 whare C(0,0) P(acosh,bsinh) Q(acosk,bsink)There fore PQ makes right angle at C

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if tanαtanβ =-a^2/b^2 then the chord joining α and β will subtend right angles at(I) Focus(II) Centre(III)Major Axis(IV)Minor axis

if tanαtanβ =-a^2/b^2 then the chord joining α and β will subtend right angles at(I) Focus(II) Centre(III)Major Axis(IV)Minor axis

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if tanαtanβ =-a^2/b^2 then the chord joining α and β will subtend right angles at(I) Focus(II) Centre(III)Major Axis(IV)Minor axis

if tanαtanβ =-a^2/b^2 then the chord joining α and β will subtend right angles at(I) Focus(II) Centre(III)Major Axis(IV)Minor axis

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