\( 16y^2-40y+25 \) किसका वर्ग है?
\( 16y^2-40y+25 \) is the square of what?
Explanation opens after your attempt
C. ( (4y-5)2 )
Concept
(16y-2=(4y)2) and \(25=5^2\). The negative middle term makes it ( (4y-5)2 ).
Why this answer is correct
The correct answer is C. ( (4y-5)2 ). (16y-2=(4y)2) and \(25=5^2\). The negative middle term makes it ( (4y-5)2 ).
Exam Tip
(16y-2=(4y)2) और \(25=5^2\) है। ऋणात्मक बीच का पद इसे ( (4y-5)2 ) बनाता है।
Login to save your score, XP, coins and progress.
