If x and (x+11)/2 are integers, which of the following must be true? i. x is odd ii. x is a multiple of 9 iii. (x +9)/2 is an integer
Created: 6 years ago |
Updated: 3 years ago
best des
x odd হলেই x + 11 even হবে। তাই 2 দিয়ে ভাগ যাবে।
Similarly, x + 9, 2 দ্বারা বিভাজ্য।
but x, 9 এর. multiple হতে পারে but must নয়।
Md Azizur Rahman
Founder of Satt
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