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· started a discussion

· 1 Months ago

(Question:86856.0)

Question:
If 9x4 – 12x3 + 10x2 + px + 1 is a perfect square, then find the value of p.
Options:
A) -4
B) 4
C) 2
D) -2
Solution:

Ans: (a) 




Knowledge Expert

· commented

· 1 Months ago

Dear student
Please solve the equation by using
the identity (a + b + c)^2=(a + b + c)^2 = a^2 + b^2 + c^2 + 2ab + 2bc + 2ca

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