Find the equations of the osculating circles of the ellipse 25x2 + 4y? = 100 at the points (2,0) a. y? + (x - 21/5)2 = 625/4 b. (y - 5)2 + (x – 4)2 = 64 21 y? + (x + 듣)2-625/8 C. 625 d. v? + (x +21/5)² = 4 e. y? + (x + 16/5)2 = 16/25 a b e

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A: To determine the coefficient of x2wa3b in the expansion of x+y+w+a+b7.

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Q: How many terms are there in the multinomial expansion of (x₁ + x₂ + ...........+xr)n?

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A: Given 1/3 + 2/9

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Q: Select and order the steps to prove the special product pattern for the square of a binomial. Step…

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A: I have solved Algebraically

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Q: Use the binomial theorem (more than once) to expand (a+b+c)³.

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

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A: The main objective is to factor p(k)=10k+1 into product of primes for k=1,2,3,4,5.

Q: In the expansion of (x + y)14 which term has the highest coefficient ? O a. x10y4 O b.x7y7 Oc x14 d.…

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Q: How many terms are there in the expansion of (4.x + 7y)0.+ (4x- 7y)10 ?

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Q: 7. How many terms are there in the multinomial expansion of (x₁ + x₂ + ... .+x)"? ******..

A: We want to find the number of terms in the multinomial expansion of x1 + x2 + ... + xrn

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Q: What is the 5th term in the expansion of (2x²y³ – ¹y)° O 14.25x7 y 20 15.75x10 y 19 15.05x¹0y17…

A: Given: 2x2y3-14y9=2x2y3-y49

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A: Sequence

Q: 1. Use expansion along the 3rd row -4 3 1 2 -1 1 7 5

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A: