Question

The HCF of 56m²,64m³,-40m²n,48m²n² is (a) 16m (b) 8m³n (c) 7m²n² (d)8m²​

Answer 1

56m²=2×2×2×7×m×m

64m³=2×2×2×2×2×2×m×m×m

-40m²n=5×2×2×2×m×m×n×-1

48m²n²=3×2×2×2×2×m×m×n×n

HCF= 8m²