Question

Sol
The
Acc
n the nature of
quations.
127-9=0
abx = ,a0
a# 0,6 +0
112x + 49 = 0
Proc
Num
(iii) 2x² – 10x + k = 0 (iv) kor+ + 8x - 2 = 0
(v) 9x? - 24x +k=0 (vi) x² - 4x + k = 0
5. Find the value of k for which the given equation h
equal roots. Also, find the roots.
(i) 9x² - 24x + k = 0 (ii) 2kor - 40x + 25 = 1
6. Find the values of k for which the given quadra
equations has real and distinct roots.
(i) kor? + 2x + 1 = 0 (ii) kx? + 6x + 1 = 0
7. If -5 is a root of the quadratic equatil
2x + px - 15 = 0 and the quadratic equatio
p(x + x) + k=0 has equal roots, find the value of
8. If the roots of the equation (b-C)x++(c-a)x+la
= 0 are equal, then prove that 2b=a+c. .
Fron
ution has equal
- 5x+k=0
y​

Answer 1

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