## tan 100o + tan 125o + tan 100o. tan 125o =….

tan 100o + tan 125o + tan 100o. tan 125o =

## he cubic equation whose roots are thrice to each of the roots of x3 + 2×2 – 4x + 1 = 0 is….

he cubic equation whose roots are thrice to each of the roots of x3 + 2x2 – 4x + 1 = 0 is

## The curve with parametric equations x=1+4 cos θ, y=2+3 sin θ is….

The curve with parametric equations x=1+4 cos θ, y=2+3 sin θ is

## log1/3(x2+2x)>0 if x belongs to the set….

log1/3(x2+2x)>0 if x belongs to the set

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## For an A.P. , S2n=3Sn. The value of S3nSn  is equal to….

For an A.P. , S2n=3Sn. The value of S3nSn  is equal to

## The sum of n terms of the series 12−22+32−42+52−62+….. is (where an is a even number)….

The sum of n terms of the series 12−22+32−42+52−62+….. is (where an is a even number)

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