किस विकल्प में \(4a^2b\) और \(-7a^2b\) का अंतर (4a-2b-\(-7a^2b\)) सही है?
Which option correctly gives the difference (4a-2b-\(-7a^2b\))?
Explanation opens after your attempt
B. \(11a^2b\)
Concept
Subtracting a negative term means addition. So \(4a^2b+7a^2b=11a^2b\).
Why this answer is correct
The correct answer is B. \(11a^2b\). Subtracting a negative term means addition. So \(4a^2b+7a^2b=11a^2b\).
Exam Tip
ऋणात्मक पद घटाने का अर्थ जोड़ना है। इसलिए \(4a^2b+7a^2b=11a^2b\)।
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