Question

9. The sum of 5x², -7x²,8x², 11x² and 9x² is

(a) 2x² (b) 4x² (c) 26x² (d) 8x²


10. What is the sum of the first four odd natural numbers?

(a) 16

(b) 17

(c) 18

(d) 20​

Answer 1

Answer:

(c) 26x²

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