रेखा (y=(n-9)x+(5n-7)) का (y)-अवरोध (38) है। इसकी ढाल क्या है?
The line (y=(n-9)x+(5n-7)) has (y)-intercept (38). What is its slope?
Explanation opens after your attempt
A. (0)
Concept
From (5n-7=38), (n=9). The slope is (n-9=0).
Why this answer is correct
The correct answer is A. (0). From (5n-7=38), (n=9). The slope is (n-9=0).
Exam Tip
(5n-7=38) से (n=9) मिलता है। ढाल (n-9=0) है।
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