Question

bi
4)
2
at
3)
al
1)p
q
?
2)
52
+
c? + 2a +1 B2 +23+1
d? + 2a + c B2 + 2B + c
3.
If a,ß are the roots of x2-p(x+1)-c = 0, then
4) 0
3) 1
1) 3
2) 2
k +1 k +2.
If the roots of ax2+bx+c = 0 are
then (a+b+c)2 =
k 'k +1
1) O
2) 2
3) b2-4ac
4) 2abc
If a,ß are the values of t for which f(x)=x2+t2x2 +10tx+1 is divisible by x-2, then la-
1) 20
2) 0
4) 6
5.
3) 215
6.
If a,ß are the roots of x2 + x + 1 = 0, and S = " +ß" then
3 1+s, 1+S₂
1+S 1+₂ 1+Sz
1+52 1+S3 1+S4
1) 27
2) -27
3) -3
4) 9
7.
If y Rare the root of 2​

Answer 1

Step-by-step explanation:

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