Advertisements
Advertisements
प्रश्न
Solve any four of the following.
Find the value of `x^4-x^3+5` When `x=-1`
उत्तर
Whenx=-1,
`x^4-x^3+5=(-1)^4-(-1)^3+5`
= `1-(-1)+5`
= `1+1+5`
` =7`
APPEARS IN
संबंधित प्रश्न
For a sequence if n `S_n=n/(n+1)` then find the value of S10.
Find how many three digit natural numbers are divisible by 5.
In the natural numbers from 10 to 250, how many are divisible by 4?
Complete the following activity to find the sum of natural numbers from 1 to 140 which are divisible by 4.
Sum of numbers from 1 to 140, which are divisible by 4 = `square`
Find the fourth term from the end in an A.P. –11, –8, –5,...., 49.
Solve any four of the following.
Write the set Q of rational numbers in the property form.
Solve any four of the following.
`|8|+|-3|=?`
Solve any two of the following.
If a : b = 7 : 2, find the ratios (i)` b : a` (ii) `(a+b)/b`
Multiply and write the answer in the simplest form :
`5sqrt7 xx 2sqrt7`
Find the first three terms to the sequence, whose nth term is tn = 4n - 3
q1
There is an auditorium with 27 rows of seats. There are 20 seats in the first row, 22 seats in the second row, 24 seats in the third row and so on. Find how many total seats are there in the auditorium?
