2. Prove directly if the statements that are true, give counterexamples to disprove those that are false. (1). V m,n e Z, if m mod 6 = 5 and n mod 6 = 2 then mn mod 6 = 4. (2). V m,n e Z, if m | n³ and m

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Q: 3. Find the derivatives of y with respect to x: a) у%3D хех — ех b)' y = e(tx+) c) y = e*(sin x + co...

A: To find- Find the derivatives of y with respect to x: y = xex - ex y = e4x + 1x y = exsinx + cosx y...

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