Maths- Continuity and Differentiability

25y ✘ 5y ✘ -25y ✘ 10y ✔

cos x ✘ x cos x ✘ cos x / log x ✘ 1/x cos x ✔

1 ✘ e ✘ 1 + e ✔

✘ ✘ ✘ ✔

x² ✘ y² ✘ xy² ✘ x²y ✔

1 ✘ 1/e ✘ 1/2e ✔

cosec x° ✘ cosec x° cot x° ✘  -1° cosec2 x° ✘    -1° cosec x° cot x° ✔

✘ ✘ ✘ ✔

f is continuous at x = 2,

g is continuous at x = 2 ✘ f is continuous at x = 2,

g is not continuous at x = 2 ✘ f is not continuous at x = 2,

g is continuous at x = 2 ✘ f is not continuous at x = 2,

g is not continuous at x = 2 ✔

1 ✘ -1 ✘ None of these ✔