2
(iii) ab - a
(vi) a 3 - b3
3
(iii) 2x2 – 3y2 + z
(vi) x3 – y3 – 2
If a = 2 and b = 3, find the value of
(i) a + b
(ii) a2 + ab
(iv) 2a - 3b
(v) 5a2 - 2ab
If x = 1, y = 2 and 2 = 5, find the value of
(i) 3x - 2y + 4z
(ii) x2 + y2 + 2?
(iv) xy + yz – zx
(v) 2x²y - 5yz + xy?
If p = -2, q=-1 and r = 3, find the value of
(i) p2 + q2 - T
(ii) 2p? – q2 + 3r? (iii) p -q-r
(iv) p3 + q + r 3 + 3 par
+1° +3 par (v) 3p²q + 5 pq? +2 par (vi) pº + q* – pº
Write the coefficient of
(i) x in 13x
(ii) y in -5y
(iii) a in bab (iv) z in -7xz
(v) p in -2 par (vi) y2 in 8xyz
(vii) x2 in x 3 (viii) x2 in - x
Write the numerical coefficient of
(i) ab
(ii) -6bc
(iii) 7xyz
(iv) – 2x®yz
Write the constant term of
3.
(i) 3x2 + 5x + 8 (ii) 2x2 - 9 (iii) 4y? - 5y + (iv) 23 – 2z2 + 2
5
the following:
Answers
Answer:
(iii) ab - a
(vi) a 3 - b3
3
(iii) 2x2 – 3y2 + z
(vi) x3 – y3 – 2
If a = 2 and b = 3, find the value of
(i) a + b
(ii) a2 + ab
(iv) 2a - 3b
(v) 5a2 - 2ab
If x = 1, y = 2 and 2 = 5, find the value of
(i) 3x - 2y + 4z
(ii) x2 + y2 + 2?
(iv) xy + yz – zx
(v) 2x²y - 5yz + xy?
If p = -2, q=-1 and r = 3, find the value of
(i) p2 + q2 - T
(ii) 2p? – q2 + 3r? (iii) p -q-r
(iv) p3 + q + r 3 + 3 par
+1° +3 par (v) 3p²q + 5 pq? +2 par (vi) pº + q* – pº
Write the coefficient of
(i) x in 13x
(ii) y in -5y
(iii) a in bab (iv) z in -7xz
(v) p in -2 par (vi) y2 in 8xyz
(vii) x2 in x 3 (viii) x2 in - x
Write the numerical coefficient of
(i) ab
(ii) -6bc
(iii) 7xyz
(iv) – 2x®yz
Write the constant term of
3.
(i) 3x2 + 5x + 8 (ii) 2x2 - 9 (iii) 4y? - 5y + (iv) 23 – 2z2 + 2
5
Step-by-step explanation:
(iii) ab - a
(vi) a 3 - b3
3
(iii) 2x2 – 3y2 + z
(vi) x3 – y3 – 2
If a = 2 and b = 3, find the value of
(i) a + b
(ii) a2 + ab
(iv) 2a - 3b
(v) 5a2 - 2ab
If x = 1, y = 2 and 2 = 5, find the value of
(i) 3x - 2y + 4z
(ii) x2 + y2 + 2?
(iv) xy + yz – zx
(v) 2x²y - 5yz + xy?
If p = -2, q=-1 and r = 3, find the value of
(i) p2 + q2 - T
(ii) 2p? – q2 + 3r? (iii) p -q-r
(iv) p3 + q + r 3 + 3 par
+1° +3 par (v) 3p²q + 5 pq? +2 par (vi) pº + q* – pº
Write the coefficient of
(i) x in 13x
(ii) y in -5y
(iii) a in bab (iv) z in -7xz
(v) p in -2 par (vi) y2 in 8xyz
(vii) x2 in x 3 (viii) x2 in - x
Write the numerical coefficient of
(i) ab
(ii) -6bc
(iii) 7xyz
(iv) – 2x®yz
Write the constant term of
3.
(i) 3x2 + 5x + 8 (ii) 2x2 - 9 (iii) 4y? - 5y + (iv) 23 – 2z2 + 2
5
Step-by-step explanation:
2
(iii) ab - a
(vi) a 3 - b3
3
(iii) 2x2 – 3y2 + z
(vi) x3 – y3 – 2
If a = 2 and b = 3, find the value of
(i) a + b
(ii) a2 + ab
(iv) 2a - 3b
(v) 5a2 - 2ab
If x = 1, y = 2 and 2 = 5, find the value of
(i) 3x - 2y + 4z
(ii) x2 + y2 + 2?
(iv) xy + yz – zx
(v) 2x²y - 5yz + xy?
If p = -2, q=-1 and r = 3, find the value of
(i) p2 + q2 - T
(ii) 2p? – q2 + 3r? (iii) p -q-r
(iv) p3 + q + r 3 + 3 par
+1° +3 par (v) 3p²q + 5 pq? +2 par (vi) pº + q* – pº
Write the coefficient of
(i) x in 13x
(ii) y in -5y
(iii) a in bab (iv) z in -7xz
(v) p in -2 par (vi) y2 in 8xyz
(vii) x2 in x 3 (viii) x2 in - x
Write the numerical coefficient of
(i) ab
(ii) -6bc
(iii) 7xyz
(iv) – 2x®yz
Write the constant term of
3.
(i) 3x2 + 5x + 8 (ii) 2x2 - 9 (iii) 4y? - 5y + (iv) 23 – 2z2 + 2
5