यदि समीकरण `x^(2)+k(4x+k-1)+2=0` के समान मूल हों, तो `k =`

If a and b are roots of the equation ax^2+bx+c=0 , then which equation will have roots (ab+a+b) and (ab-a-b) ? यदि a तथा b समीकरण ax^2+bx+c=0 के मूल हैं, तो किस समीकरण के मूल (ab+a+b) तथा (ab-a-b) होंगे है?

If the roots of the equation a(b - c)x^2 + b(c- a)x+ c(a-b)=0 are equal, then which of the following is true? यदि समीकरण a(b - c)x^2 + b(c- a)x+ c(a-b)=0 के मूल बराबर है, तो निम्नलिखित में से कौन सा सही है?

If roots of x^2- 4x + a = 0 are equal, then a = यदि x^2- 4x + a = 0 के मूल बराबर है, तो a = ?

Find the value of k for which x^(2) + k(4x + k - 1) + 2 = 0 has real and equal roots.

If y = 2x + k " touches " x^(2) + y^(2) - 4x - 2y = 0 , then k=

Find the values of k for which roots of the following equations are real and equal: (i) 12x^(2)+4kx+3=0 (ii) kx^(2)-5x+k=0 (iii) x^(2)+k(4x+k-1)+2=0 (iv) x^(2)-2(5+2k)x+3(7+10k)=0 (v) 5x^(2)-4x+2+k(4x^(2)-2x-1)=0 (vi) (k+1)x^(2)-2(k-1)x+1=0 (vii) x^(2)-(3k-1)x+2k^(2)+2k-11=0 (viii) 2(k-12)x^(2)+2(k-12)x+2=0

If - 1 + i is a root of x^(4) + 4x^(3) + 5x^(2) + 2x + k = 0 then k =

if 2x^(2) + 4x - k = 0 is same as (x-5) (x+k/10) = 0 , then find the value of k.