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Byju's Answer
Standard VII
Mathematics
Exponent
What should b...
Question
What should be the value of 'a' if the value of
2
x
2
+
x
−
a
equals to 5, when x = 0?
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Solution
Given:
2
x
2
+
x
−
a
=
5
⇒
2
(
0
)
2
+
0
−
a
=
5
[Putting x = 0]
⇒
0
+
0
−
a
=
5
⇒
a
=
−
5
Hence, the value of a is -5.
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