Half-Yearly Exam (2020-21) - XI-Mathematics
Question-6
f a +ib = + 23,101 then find the
value of a and b.
Question-7
Find the number of non-zero integral solution of the equa
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2
Answer:
ANSWER
Given, ∣1−i∣
x
=2
x
⇒(
1
2
+(−1)
2
)
x
=2
x
..........∣z∣=
x
2
+y
2
⇒(
2
)
x
=2
x
⇒2
2
x
=2
x
⇒
2
x
=x
⇒x=2x
⇒x=0
Thus, x=0 is the only integral solution of the given equation.
Therefore, the number of non-zero integral solutions of the given equation is 0.
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