If the harmonic mean of the roots of the equation (5 + sqrt(2)) x ^ 2 - bx + 8 + 2sqrt(5) = 0 is 4 then the value of b is Option 1: 2 Option 2: 4-sqrt(5) Option 3: 3 Option 4: 4+sqrt(5)

The answer is '4+sqrt(5)'. View full solution:

IPMAT Indore - If the harmonic mean of the roots of the equation (5 + sqrt(2)) x ^ 2 - bx + 8 + 2sqrt(5) = 0 is 4 then the value of b is | PYQs + Solutions

IPMAT Indore

Algebra

Medium

$2$

$4-\sqrt{5}$

$3$

$4+\sqrt{5}$

✅ Correct Option: 4

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