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Byju's Answer
Standard X
Mathematics
Factorisation of Quadratic Polynomials
Factorize :- ...
Question
Factorize :-
−
y
2
−
8
y
−
16
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Solution
−
y
2
−
8
y
−
16
=
−
(
y
2
+
8
y
+
16
)
=
−
(
y
2
+
2
(
y
)
(
4
)
+
4
2
)
=
−
(
y
+
4
)
2
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Similar questions
Q.
Factorize
y
2
−
8
y
+
16
Q.
The equation of the parabola with focus (0, 0) and directrix x + y = 4 is
(a) x
2
+ y
2
− 2xy + 8x + 8y − 16 = 0
(b) x
2
+ y
2
− 2xy + 8x + 8y = 0
(c) x
2
+ y
2
+ 8x + 8y − 16 = 0
(d) x
2
− y
2
+ 8x + 8y − 16 = 0
