Find the roots of quadratic equations by factorisation:
(i) √2 x2 + 7x + 5√2=0
(ii) 100x2 – 20x + 1 = 0
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Answers
Answered by
1
Answer:
Given,
2
x
2
+7x+5
2
=0
or,
2
x
2
+2x+5x+5
2
=0
or, x
2
(x+
2
)+5(x+
2
)=0
or, (x
2
+5)(x+
2
)=0
⇒x=−
2
5
,−
2
.
These are the required roots
Answered by
1
Answer:
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