यदि ( (x-7)2=x-2-kx+49 ) है तो (k) कितना है?
If ( (x-7)2=x-2-kx+49 ), what is (k)?
Explanation opens after your attempt
B. (14)
Concept
The middle term is (-14x), so (k=14). Exam tip: in (-kx), (k) is the positive coefficient.
Why this answer is correct
The correct answer is B. (14). The middle term is (-14x), so (k=14). Exam tip: in (-kx), (k) is the positive coefficient.
Exam Tip
मध्य पद (-14x) है इसलिए (k=14)। परीक्षा में (-kx) में (k) धनात्मक संख्या है।
Login to save your score, XP, coins and progress.
