C-03-Q078mediumsingle_mcqIf x=37x=37x=37, 8x3+72x2+216x+216=?8x^3 + 72x^2 + 216x + 216 = ?8x3+72x2+216x+216=?a512000512000512000b216000216000216000c343000343000343000d640006400064000ব্যাখ্যাThe expression is a perfect cube: 8x3+72x2+216x+216=(2x+6)38x^3+72x^2+216x+216=(2x+6)^38x3+72x2+216x+216=(2x+6)3. At x=37x=37x=37, 2x+6=802x+6=802x+6=80, so the value is 803=51200080^3=512000803=512000.