বীজগণিত :- বীজগাণিতিক সূত্রাবলী :(পৃষ্ঠা নং ৬০২-৬২১) 15 "Serial No","Question","Option A","Option B","Option C","Option D" "1","x² + 1/x²= 2 হলে x - 1/x কত?","0","2","-2","1" "2","x + 1/x=3 হলে x⁴ + 1/x⁴ কত?","47","45","49","43" "3","4x² - 20x এর সাথে কত যোগ করলে যোগফল পুর্ণবর্গ হবে?","25","20","30","16" "4","x + y=4, xy=5 হলে (x³ + y³)² এর মান কত?","16","25","9","36" "5","x² + 1/x²=3 হলে (x⁶ + 1)/x³ এর মান কত?","2√5","3√5","√5","4√5" "6","a + b + c=0 হলে a³ + b³ + c³ এর মান কত?","3abc","0","abc","-3abc" "7","a² - 6a + 1=0 হলে a + 1/a =?","6","5","7","4" "8","x= √3 + √2 হলে x² + 1/x² এর মান কত?","10","9","11","8" "9","x=3 + 2√2 হলে x⁻¹ এর মান কত?","3 - 2√2","3 + 2√2","2 - 3√2","-3 + 2√2" "10","x² + y² = 13, xy = 6 হলে (x + y)² এর মান কত?","25","20","30","16" "11","x - 1/x = 5 হলে x² + 1/x² এর মান কত?","27","25","29","23" "12","x + 1/x = 1 হলে x⁴ + 1/x⁴ এর মান কত?","7","6","8","5" "13","a + b + c = 0, ab + bc + ca = -7 হলে a² + b² + c² এর মান কত?","14","-14","7","-7" "14","(x - 2)² = 9 হলে x এর মান কত?","5","4","6","-2" "15","x + y = 7, xy = 10 হলে (x - y)² এর মান কত?","9","7","11","13"
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