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Identify from the given options the slope of the normal to the curve at :
Identify from the given options the slope of the normal to the curve $x^2 + 3y + y^2 = 5$ at $(1, 1)$:
- (a)$-\frac{2}{5}$
- (b)$\frac{5}{2}$
- (c)$\frac{2}{5}$
- (d)$-\frac{5}{2}$
Answer
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From ISC 2021 Specimen Mathematics Paper 1, question 1(vii).