alleryযদি a $ b = a² − b² হয়, তবে 7 $ 5-এর মান কত?
A35
B4
C74
D24
Answer & Solution
Correct answer: D. 24
বর্গ করলে 49 এবং 25 পাওয়া যায়, এবং তাদের অন্তরফল হলো 24।
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Related questions
A number divided by 3 and then increased by 7 gives 15. What is it?Find ? if 48 ÷ ? + 5 = 13.What number replaces the question mark in ? × 4 − 6 = 22?Fill in the blank so that 36 ÷ 6 + ? = 10 holds.Pick the sign pair that balances 15 _ 3 _ 2 = 3.To make 5 _ 4 _ 2 equal 18, the blanks must holdWhich signs, left to right, complete 12 _ 4 _ 5 = 8 correctly?Choose the signs that balance the equation 6 _ 3 _ 2 = 20.