Advertisements
Advertisements
प्रश्न
If p = −2, q = −1 and r = 3, find the value of p2 + q2 − r2
उत्तर
\[( - 2 )^2 + ( - 1 )^2 - (3 )^2 = ( - 2 \times - 2) + ( - 1 \times - 1) - (3 \times 3)\]
\[ \Rightarrow 4 + 1 - 9 = - 4\]
APPEARS IN
संबंधित प्रश्न
Write the following using literals, numbers, and signs of basic operations:
y decreased by 7
Write the constant term of \[z^3 - 2 z^2 + z - \frac{8}{3}\]
The expression 7x + 1 cannot be reduced without knowing the value of x
‘8 more than three times the number x’ can be written as ______.
The distance between New Delhi and Bhopal is not a variable.
z is multiplied by –3 and the result is subtracted from 13.
x times of 3 is added to the smallest natural number.
John planted t plants last year. His friend Jay planted 2t + 10 plants that year.
The number of students dropping out of school last year was m. Number of students dropping out of school this year is m – 30.
Give expression in the following case.
y is multiplied by 5 and the result is subtracted from 16
