RankLab
Back to Questions
MathsMediumMCQ2019 ยท 10 Jan Shift 1

Q66.If the third term in the binomial expansion of (1 + xlog2 x)5 equals 2560, then a possible value of x is (1) 4โˆš2 (2) 18 (3) 2 โˆš2 (4) 14

What This Question Tests

This question tests the application of the general term formula in a binomial expansion, leading to an exponential equation involving logarithms that needs to be solved for x.

Concepts Tested

Binomial expansion (a+b)^nGeneral term formula (Tr+1)Solving exponential equations

Formulas Used

Tr+1 = nCr a^(n-r) b^r

๐Ÿ“š NCERT Sections This Tests

1.3 โ€” Define The Following Terms:

Chemistry Class 11 ยท Chapter 1

71% match

1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.

14.2 โ€” Which Of The Statements Given In Exercise 14.1 Is True For P-Type

Physics Class 12 ยท Chapter 14

70% match

14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.

1.27 โ€” If The Solubility Product Of Cus Is 6 ร— 10โ€“16, Calculate The Maximum Molarity Of

Chemistry Class 11 ยท Chapter 1

70% match

1.27 If the solubility product of CuS is 6 ร— 10โ€“16, calculate the maximum molarity of CuS in aqueous solution.