233=9|6
130=3|4
? =8|5
65 =2|7
A. 306
B. 278
C. 141
D. 300
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I. e., 2, 7 = 65 is inter-related with 3, 4 = 130 and 6, 9 = 233 is inter-related with 5, 8 = ..??
We know that by formula __
(a+b)² = a ² + b ² + 2ab
Can we written as___
2, 7 = (2 + 7)² + 7² = 81 + 49 = 130 = 3, 4
And____
3, 4 = (3 + 4)² + 4² = 49 + 16 = 65 = 2, 7
Likewise,
5, 8 = (5 + 8)² + 8² = 169 + 64 = 233 = 6, 9
And__
6, 9 = (6 + 9)² + 9² = 225 + 81 = 306 = 5, 8
∴ 306 is the right answer
its not the correct form of question..please upload correctly, answer is 306
Pls solve with salution
306