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Byju's Answer
Standard X
Mathematics
Multiplication of Rational Expressions
Evaluate: y2...
Question
Evaluate:
y
2
+
4
y
+
3
y
2
+
y
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Solution
y
2
+
4
y
+
3
y
2
+
y
=
(
y
+
3
)
(
y
+
1
)
y
(
y
+
1
)
=
1
+
3
y
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Similar questions
Q.
Find the vertex, focus, axis, directrix and latus-rectum of the following parabolas
(i) y
2
= 8x
(ii) 4x
2
+ y = 0
(iii) y
2
− 4y − 3x + 1 = 0
(iv) y
2
− 4y + 4x = 0
(v) y
2
+ 4x + 4y − 3 = 0
(vi) y
2
= 8x + 8y
(vii) 4 (y − 1)
2
= − 7 (x − 3)
(viii) y
2
= 5x − 4y − 9
(ix) x
2
+ y = 6x − 14
Q.
Rational expression
y
3
−
8
y
2
−
4
written in its lowest form is
.
