Advertisements
Advertisements
प्रश्न
Find the values of the following polynomials at a = –2 and b = 3:
a2 – 2ab + b2
उत्तर
Given, a = –2 and b = 3
So, putting a = –2 and b = 3 in the given expressions, we get
a2 – 2ab + b2 = (–2)2 – 2(–2)(3) + (3)2
= 4 + 12 + 9
= 25
APPEARS IN
संबंधित प्रश्न
Classify into monomials, binomials and trinomials.
4y − 7z
Classify into monomials, binomials and trinomials.
y2
Classify into monomials, binomials and trinomials.
z2 + z
Classify the following polynomial as monomial, binomial, trinomial. Which polynomial do not fit in any category?
x + y
Expand −2p(5p2 – 3p + 7)
Expand 3mn(m3n3 – 5m2n + 7mn2)
Match the following:
| Column A | Column B |
| (a) 4y2 × −3y | (i) 20x2y −20x |
| (b) −2xy(5x2 −3) | (ii) 5x3 − 5xy2 + 5x2y |
| (c) 5x(x2 − y2 + xy) | (iii) 4x2 − 9 |
| (d) (2x + 3)(2x −3) | (iv) −12y3 |
| (e) 5x(4xy −4) | (v) −10x3y + 6xy |
The exterior angle of a triangle is 120° and one of its interior opposite angle 58°, then the other opposite interior angle is _________
Find the values of following polynomials at m = 1, n = –1 and p = 2:
m + n + p
Find the values of following polynomials at m = 1, n = –1 and p = 2:
m3 + n3 + p3 – 3mnp
