x cos 2x
2y cos 2x
xy cos 2x
none of these
Hence (B) is correct answer.
Study 40% syllabus and score up to 100% marks in JEE
50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
JEE Main 2026 LIVE: NTA to release session 1 final answer key today; cut-offs, marks vs percentile
17 errors in JEE Main 2026 session 1 answer key; ‘one mark can change ranks’, says CFI
JEE Main 2026 LIVE: NTA to declare session 1 result by February 12; cut-offs, marks vs percentile
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now