The binary operation * is defined on the set of integers ...
The binary operation * is defined on the set of integers p and q by p*q = pq + p + q. Find 2 * (3 * 4).
59
19
67
38
Correct answer is A
\(p \ast q = pq + p + q\)
\(2 \ast (3 \ast 4) \)
\(3 \ast 4 = 12 + 3 + 4 = 19\)
\(2 \ast 19 = 38 + 2 + 19 = 59\)
Find y, if \(\begin{pmatrix}5 & -6 \\2 & -7\end{pmatrix}\begin{pmatrix}x \\ y \end...
In how many was can the letters of the word ELATION be arranged? ...
If 101\(_{\text{two}}\) + 12y = 3.3\(_{\text{five}}\). Find the value of y...
Find the value of t, if the distance between the points P(–3, –14) and Q(t, –5) is...
\(\begin{array}{c|c} x & 1 & 4 & p \\ \hline y & 0.5 & 1 & 2.5\end{array}\)....
In the diagram, O is the center of the circle, ∠MON = 80o, ∠LMO = 10o and ∠LNO = 15o. Calculat...
In the diagram above, |PQ| = |PR| = |RS| and ∠RSP = 35o. Find ∠QPR...
The set of value of x and y which satisfies the equations x2 - y - 1 = 0 and y - 2x + 2 = 0 is...