adsense Problem Solving Lesson 22: Three conic lines (Connecting)—————— Solve problem 7.19 page 56 Math textbook 10 Connecting knowledge volume 2 Let the ellipse have the equation: \(\frac{x^{2}}{36}+\frac{y^{2}}{9}=1\). Find the…
Question: In the expansion \({\left( {2x – 5y} \right)^8}\), the coefficient of the term containing \({x^5}.{y^3}\) is: Reference explanation: Correct answer: A The general term in the above expansion is…
Question: In the expansion \({\left( {2a – b} \right)^5}\), the coefficient of the third term is equal to: Reference explanation: Correct Answer: GET We have: \({\left( {2a – b} \right)^5}\)…
Question: In the expansion \({\left( {x + \frac{2}{{\sqrt x }}} \right)^6}\), the coefficient of \({x^3},\left( {x) > 0} \right)\) is: Reference explanation: Correct answer: The general term in the above…
Question: In the expansion \({\left( {2a – 1} \right)^6}\), the sum of the first three terms is: Reference explanation: Correct Answer: EASY We have: \(\begin{array}{l}{\left( {2a – 1} \right)^6}\\ =…
Question: In the expansion \({\left( {2x – 1} \right)^{10}}\), the coefficient of the term containing x 8 x8 is: Reference explanation: Correct Answer: EASY The general term in the above…
Question: In the expansion \({\left( {a – 2b} \right)^8}\), the coefficient of the term containing \({a^4}.{b^4}\) is: Reference explanation: Correct answer: A The general term in the above expansion is…
Question: In the expansion \({\left( {{\rm{0.2\; + \;0,8}}} \right)^{\rm{5}}}\), the fourth term is: Reference explanation: Correct Answer: EASY The general term in the above expansion is \({T_{k + 1}} =…
Question: In the expansion \({\left( {8{a^2} – \frac{1}{2}b} \right)^6}\), the coefficient of the term contains \({a^9}{ b^3}\) is: Reference explanation: Correct answer: The general term in the above expansion is…
Question: In the expansion \({\left( {{a^2} + \frac{1}{b}} \right)^7}\), the 5th term is: Reference explanation: Correct answer: A The general term in the above expansion is \({T_{k + 1}} =…