(i)Suppose that g(x) = 1 + √x and f(g(x)) = 3+2√x+x, then find the function f(x) and (ii) let us consider that f(r) - ar ih

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(i)Suppose that g(x) = 1 + √x and f(g(x)) = 3+2√√x+x, then
find the function f(x) and (ii) let us consider that f(x) = ax + b
and g(x) = cx +d, a ‡ 0,c ‡ 0. Assume a = 1, b = 2. Iƒ (fog)(x) = (gof)(x)
for all x, then what can say about c and d?.
(iii) If A(x₁, y₁), B(x2, y2) and C(x3, y3) are three non-co-linear points such that
x² + y² = x² + y² = x3 + y3, then prove that x₁sin2A + x2sin2B + x3sin2C =
yisin2A + y2sin2B+y3sin2C = 0.
Transcribed Image Text:(i)Suppose that g(x) = 1 + √x and f(g(x)) = 3+2√√x+x, then find the function f(x) and (ii) let us consider that f(x) = ax + b and g(x) = cx +d, a ‡ 0,c ‡ 0. Assume a = 1, b = 2. Iƒ (fog)(x) = (gof)(x) for all x, then what can say about c and d?. (iii) If A(x₁, y₁), B(x2, y2) and C(x3, y3) are three non-co-linear points such that x² + y² = x² + y² = x3 + y3, then prove that x₁sin2A + x2sin2B + x3sin2C = yisin2A + y2sin2B+y3sin2C = 0.
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