K BOOK MATHS IX
3. If 42x – 1 – 16X-1 = 384, find the value of x.
Answers
Answered by
1
Answer:
X=12
Step-by-step explanation:
given data ,
42X-1-16X-1
= 42X-16X-1-1.
(take term of Xcommen)
=26X^2-2
X^2 = 26-2=24
X =24/2
X=12
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