Target a Govt Job

Current Affair Target a Govt Job ,👍

দরকার থাকলে মেসেঞ্জারে যোগাযোগ করুন ।

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Current Affair & GK WBP / KP
Target a Govt Job

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Mathematics formula*

(a+b)² = *a²+2ab+b²*

(a-b)² = *a²-2ab+b²*

(a-b)² = *(a+b)²-4ab*

(a+b)² + (a-b)² = *2(a²+b²)*

(a+b)² – (a-b)² = 4ab(a+b)³ = *a³+3a²b+3ab²+b³*

(a+b)² – (a-b)² = *a³+b³+3ab(a+b)*

(a-b)³ = *a³-3a²b+3ab²-b³*

(a-b)³ = *a³+b³+3ab(a+b)*

(a+b)³ + (a-b)³ = *2(a³+3ab²)*

(a+b)³ + (a-b)³ = *2a(a²+3b²)*

(a+b)³ – (a-b)³ = *3a²b+2b³*

(a+b)³ – (a-b)³ = *2b(3a²+b²)*

a²-b² = *(a-b)(a+b)*

a³+b³ = *(a+b)(a²-ab+b²)*

a³-b³ = *(a-b)(a²+ab+b²)*

a³-b³ = *(a-b)³ + 3ab(a-b)*

(a+b+c)² = *a²+b²+c²+2(ab+bc+ca)*

(a+b+c)³ = *a³+b³+c³+3(a+b)(b+c)(c+a)*

a³+b³+c³ = (a+b+c)³ – *3(a+b)(b+c)(c+a)*

(a+b+c+d)² = *a²+b²+c²+d²+2(ab+ac+ad+bc+bd+cd)*

a³+b³+c³-3abc = *(a+b+c)(a²+b²+c²-ab-bc-ca)*

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West Bengal Board of Secondary Exam. Results - 2024

Answer the following questions
Previous year question ❓❓

Dr. B R Ambedkar birthday, 14th April 2024.