Question

Q21. Find the square root by prime factorization 441.
Q22. Find the value of 647 (642 + 1).
64
Q23. Factorize: 64a2 + 112ab + 49b2.
Q24. If 52 men can do a piece of work in 35 days. In how many
days will 28 men complete the same work?
Q25. Using division , show that 3x + 1 is a factor of 12x3 –
2x2 + x + 1.
026. Find the positive value of x which satisfies the equation
x4 + 5
mln
2 – x2​

Answer 1

Answer:

j cgctvhvhvhvhvhvhvhvhvhvhvhvhvyv