(a)2
(b)3
(c)4
(d)5
समीकरण x2 + 2x-p= 0 के मूलों के वर्गों का योग 10 है, तो p का मान है
(a)-3
(b)3
(c)6
(d)-6
Answers
Answered by
0
Answer:
-3
Step-by-step explanation:
-3. ..............................
Answered by
2
Answer:
3
Step-by-step explanation:
x²+2x-P=0
We known that:-
a=1, b=2, c=-p
(α)²+ (β)²=10
:-(α+ β)= -b/a
= -2/1
:-(α)(β)= c/a
= -P/1
so; put value into equation
(α)²+ (β)²=(α+ β)²-2(α)(β)
10 =(-2/1)²-2×-P/1
10 =4/1+2P/1
10 =4+2P
10-4 =2P
6 = 2P
P=6/2
P=3
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