The ordered pair (p, q) satisfies the simultaneous
equations (a + b)x + (b + c)y+ (c + a) = 0 and (b + c)
x + (c + a)y + (a + b) = 0 such that p and
in the ratio 1 : 2, then which of the following is
correct?
(a) a2 + 2ac + 32 = 262 + 3ab + bc
(b) a² + 12 + 2 = ab + bc + ca
(c) a2 + 3ac + 32 = 362 + 3ab + bc
(d) a3 + b3 + 3 = 3abc
Answers
Answer:
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Answer:
Correct option is A)
Given: p+q=1.....(1)
Now (p,q) satisfy 3x+2y=1
so, 3p+2q=1......(2)
Multiply equation (1) by 3
3p+3q = 3....(1)
3p+2q =1....(2)
Subtracting eq(2) from eq(1) we get
q = 2
Substitute q = 2 in equation (1)
p+2 = 1
p = -1
Now, p =- 1 and q = 2
Putting the value in option(A)
3(-1)+4(2) = -3 + 8 = 5
Hence (p'q) satisfy option (A)
Step-by-step explanation:
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