Advertisements
Advertisements
प्रश्न
If m = -2 and n = 2; find the values of m2 + n2 - 2mn.
Advertisements
उत्तर
∴ m2 + n2 - 2mn
Put m = -2, n = 2
`= (-2)^2 + (2)^2 - 2(-2) (2)`
= 4 + 4 - (- 8)
= 8 + 8
= 16
APPEARS IN
संबंधित प्रश्न
Evaluate: 23 ÷ 28
Evaluate: (35 x 47 x 58)0
Simplify, giving Solution with positive index
2b6. b3. 5b4
Simplify, giving Solution with positive index
x2a +7. x2a-8
Simplify, giving Solution with positive index
4x2y2 ÷ 9x3y3
Simplify, giving Solution with positive index
`(1/("4ab"^2"c"))^2 div (3/(2"a"^2"bc"^2))^4`
Simplify and express the Solution in the positive exponent form:
`(36 xx (-6)^2 xx 3^6)/(12^3 xx 3^5)`
Simplify and express the Solution in the positive exponent form:
`("a"^3 "b"^(-5))^-2 = "a"^(3 xx -2) "b"^(-5 xx -2)`
Evaluate: `5^"n" xx 25^("n" - 1) div (5^("n" -1) xx 25^("n" - 1))`
If m2 = -2 and n = 2; find the values of: mn + nm
