### Questions (52)

 6 Why my process is wrong:-How many ways are there to choose $5$ questions from three sets of $4$, with at least one from each set? 6 Minimum value of the given function 5 Number of ways to arrange word 'KBCKBCKBC' 4 How can I approach this question in other way without proving that $p(x)=x$ is a unique solution? $p(x^2+1)=(p(x))^2 +1$ 4 Drawing the graph of $x=i^2y$. Where was I wrong?

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 2 If $2^{k+1} = 2 \cdot 2^k$ what does $2^{k-1}$ equal? 1 Compute the value of the sum $7\cdot 11+11\cdot 15+15\cdot 19+\cdots+95\cdot 99$ 0 If two distinct members of the set $\{ 2, 4, 12, 14, 21, 28, 98 \}$ are randomly selected and multiplied… 0 Boolean Identity: (x + yx) = (x + y)(x + z) what is z -1 Evaluate the integral $\int \frac {1}{x^4 +1} dx$( finding the constants in the partial fraction method).

### Tags (51)

 2 exponentiation 0 geometry × 8 1 arithmetic-progressions 0 algebra-precalculus × 7 0 combinatorics × 10 0 functions × 7 0 self-learning × 10 0 derivatives × 6 0 analytic-geometry × 9 0 permutations × 6

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