Question

1) a) Let z=x4 +x2y,   x=s+2t−u,   y=stu2: Find: ( I ) ∂z ∂s ( ii )...

1)

a) Let z=x4 +x2y,   x=s+2t−u,   y=stu2: Find:

( I ) ∂z ∂s

( ii ) ∂z ∂t

( iii ) ∂z ∂u

when s = 4, t = 2 and u = 1

1) b>  Let ⃗v = 〈3, 4〉 and w⃗ = 〈5, −12〉. Find a vector (there’s more than one!) that bisects the angle between ⃗v and w⃗.

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