Question 1
Using the binomial theorem
Expand (x+y)^9
Deduce the coefficient of 〖x^2 y〗^7 and x^7 y^2
Evaluate (1.2)9
Question 2
Find the value of tan (75) using sum or difference formula for tangent.
Answers
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Answer:
x^9 +y^9
Step-by-step explanation:
6362667'%%674336%-*3'*3-7*47'7383338
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