यदि (g(x)=180-9x), तो (g(x)-g(3x)) कब (90) होगा?
If (g(x)=180-9x), when will (g(x)-g(3x)) be (90)?
Explanation opens after your attempt
B. (x=5)
Concept
(g(x)-g(3x)=(180-9x)-(180-27x)=18x). From (18x=90), (x=5).
Why this answer is correct
The correct answer is B. (x=5). (g(x)-g(3x)=(180-9x)-(180-27x)=18x). From (18x=90), (x=5).
Exam Tip
(g(x)-g(3x)=(180-9x)-(180-27x)=18x) है। (18x=90) से (x=5) है।
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