यदि (q(x)=2x-3+x-2-3x) है तो (q(-1)) का मान क्या है?
If (q(x)=2x-3+x-2-3x), what is the value of (q(-1))?
Explanation opens after your attempt
B. (2)
Concept
(q(-1)=2(-1)3+(-1)2-3(-1)=-2+1+3=2). Use parentheses for negative substitution.
Why this answer is correct
The correct answer is B. (2). (q(-1)=2(-1)3+(-1)2-3(-1)=-2+1+3=2). Use parentheses for negative substitution.
Exam Tip
(q(-1)=2(-1)3+(-1)2-3(-1)=-2+1+3=2)। ऋणात्मक मान रखते समय कोष्ठक लगाएँ।
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