If p + q + r = 13 and pq + qr + rp = 30, then the value of p³ + q³ + r³ − 3pqr is:
________ is spoken by around 2.5 million people, mainly on the central west coast of India, and it is the official language of Goa.
The following pie-chart shows the distribution of students of graduate levels in seven different colleges.
Distribution of students at graduate levels in seven different colleges:
What is the sum of students in College of P and I studying at graduate level?
The formula for resultant resistance of three resistors connected in parallel combination is:
R =\(\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}\)
R = R₁ + R₂ + R₃
\( \frac{1}{R} \) = \(\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}\)
\( \frac{1}{R} \) = R₁ + R₂ + R₃