Factorise : (a).a^2+1/a^2+2 (b). 3(x+2)^2+17(x+2)+10 (c).4x^2-9y^2+20x+25
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Answer:
a. (a+1/a)^2
Step-by-step explanation:
(a+1/a)^2= a^2+1/a^2+2
urvashi613:
This is wrong answer
it is correct
we have used (a+b)^2 identitiy
Sorry thank you
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