Home
Class 7
MATHS
The value of (-1)^(n)=-1 if n is odd...

The value of `(-1)^(n)=-1` if n is odd

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • EXPONENTS AND POWERS

    NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS FOR PRACTICE (OBJECTIVE TYPE QUESTIONS) |1 Videos
  • EXPONENTS AND POWERS

    NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS FOR PRACTICE (OBJECTIVE TYPE QUESTIONS) SHORT ANSWER TYPE QUESTIONS|8 Videos
  • EXPONENTS AND POWERS

    NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS FOR PRACTICE (OBJECTIVE TYPE QUESTIONS) FILL IN THE BLANKS.|6 Videos
  • ALGEBRAIC EXPRESSIONS

    NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE|10 Videos
  • FRACTIONS AND DECIMALS

    NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE|5 Videos

Similar Questions

Explore conceptually related problems

Consider (1 + x + x^(2))^(n) = sum_(r=0)^(n) a_(r) x^(r) , where a_(0), a_(1), a_(2),…, a_(2n) are real number and n is positive integer. If n is odd , the value of sum_(r-1)^(2) a_(2r -1) is

If sum_(i=1)^(n) cos theta_(i)=n , then the value of sum_(i=1)^(n) sin theta_(i) .

If sum_(i=1)^(n) cos theta_(i)=n , then the value of sum_(i=1)^(n) sin theta_(i) .

Let f : W to W be defined as f(n) =n-1 , if n is odd and f(n) = n+1 , if n is even. Show that f is invertible. Find the inverse of f. Here, W is the set of all whole numbers.

Let f : WrarrW , be defined as f (n) = n – 1 , if n is odd and f (n) = n + 1 , if n is even. Show that f is invertible. Find the inverse of f . Here, W is the set of all whole numbers.

Number of ways in which three numbers in A.P. can be selected from 1,2,3,..., n is a. ((n-1)/2)^2 if n is even b. ((n-2)/4)^ if n is even c. ((n-1)/4)^2 if n is odd d. none of these

Can we say that if a perfect square is of n digits, then its square root will have n/2 digits if n is even or ((n+1)/2) if n is odd ?

If n is an odd integer greater than or equal to 1, then the value of n^3 - (n-1)^3 + (n-2)^3 - (n-3)^3 + .... + (-1)^(n-1) 1^3

The value of lim_(n->oo) sum_(k=1)^n log(1+k/n)^(1/n) ,is

Let Delta_(a)=|{:((a-1),n,6),((a-1)^(2), 2n^(2),4n-2),((a-1)^(3),3n^(3),3n^(2)-3n):}| the value of sum_(a=1)^(n)Delta_(a) is