state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Algebra Linear Equation in 2 Variable

यदि 3x − 7y = 10 और xy = −1 है, तो 9x2 + 49y2 का मान ज्ञात कीजिए।

1
71
2
58
3
63
4
46
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