Question

5.
Fill in the blanks:
(1) The number of terms in the product of (3x²+ 6 ry + 5y²) and (3x + 4y -13) is.......
(ii) In the product of (4a³ + 5a²-11a) and (- 15+ 3a -7a²), the coefficient of a4 is...
(iii) The value of (3a - 4b + 2) × (5a + 6) for a = 1 and and b=-2 is.......
(iv) The value of (67.542)²-(32.458)²/75.458-40.374
is.....
(v) Find the product:
(A + B). (A - B). (A² + B²). (A4+ B4) =.......​

Answer 1

Answer:

1 Ka ans 12+5= 17×3=51+4=55-13=42

2k Hope it's help you ans4+5=9-11=2