Question

If α and β are zeroes of x2 + 7x +12, then find the value of 1/a + 1/b-2ab pls answer guys humble request

no spam

Answer 1

*Question:—

α and β are zeroes of x² + 7x +12, then find the value of 1/a + 1/b + 2ab

*Answer:—

Let ,

alpha = α ,

beta = β .

α and β are the zeroes of x²+7x+12 =0.

α + β = -7 _____________(1)

αβ = 12 _____________(2)

Now 1/a+1/b +2ab = ?

→ (b+a)/ab +2.ab

→ -7/12 +2×12

→ -7/12 +24

→ (-7 +288)/12

→ 281/12 or 23 5/12 , Answer

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: @vikramjeeth$