0 0 votes For what value of $k,$ expression $x^{4} – 2x^{2} + k$ will be a perfect square ? $0$ $1$ $-1$ Cannot be determined. Quantitative Aptitude nielit2022feb-scientistc + – Lakshman Bhaiya 12.2k points 2.3k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
0 0 votes Otion B akash_kumar 9 answered Oct 1, 2025 akash_kumar 9 116 points comment Share Follow 0 reply Please log in or register to add a comment.
0 0 votes D KALYANI_SUNIL_THAKRE answered Oct 8, 2025 KALYANI_SUNIL_THAKRE 20 points comment Share Follow 0 reply Please log in or register to add a comment.