Advertisements
Advertisements
प्रश्न
If X = 5x2 + 7x + 8 and Y = 4x2 – 7x + 3, then find the degree of X + Y
Advertisements
उत्तर
Given: X = 5x2 + 7x + 8 and Y = 4x2 – 7x + 3
X + Y = 5x2 + 7x + 8 + (4x2 – 7x + 3)
= (5x2 + 4x2) + (7x – 7x) + (8 + 3)
= x2(5 + 4) + x(7 – 7) + (8 + 3)
= 9x2 + 11
Degree of the expression is 2.
APPEARS IN
संबंधित प्रश्न
The degree of the term a3b2c4d2 is ___________
Find the degree of the following terms.
12pq2r2
Find the degree of the following expression.
5 – 9y + 15y2 – 6y3
Add and find the degree of the following expressions.
(9x + 3y) and (10x – 9y)
Add and find the degree of the following expressions.
(3m2n + 4pq2) and (5nm2 – 2q2p)
Simplify and find the degree of the following expression.
10x2 – 3xy + 9y2 – (3x2 – 6xy – 3y2)
The degree of 6x7 – 7x3 + 4 is
Find the value of w, given that x = 3, y = 4, z = – 2 and w = x2 – y2 + z2 – xyz
Simplify and find the degree of 6x2 + 1 – [8x – {3x2 – 7 – (4x2 – 2x + 5x + 9)}]
The two adjacent sides of a rectangle are 2x2 – 5xy + 3z2 and 4xy – x2 – z2. Find the perimeter and the degree of the expression
