SATT ACADEMY

New to Satt Academy? Create an account


or

Log in with Google Account

Academy

P(A') নির্ণয় কর।

Created: 1 year ago | Updated: 11 months ago

দেওয়া আছে, U = {x ∈ N:x মৌলিক সংখ্যা এবং x ≤7}

যেহেতু x ∈ N এবং x সুতরাং N={ 1.2.3.4.5.6.7 }

আবার, A = {x ∈ N: x2 - 3x + 2 = 0} 

অতএব, X2 -3x+2=0

বা, x2 - 2x-x+2=0

বা,x(x-2)-1(x-2)=0

বা,(x-2)(x-1)=0

বা, x-2=0 এবং x-1=0

অতএব x = 2 এবং x = 1

সুতরাং A={ 1.2 }

এখন A'= U - A = {1.2.3.4.5.6.7}-{1.2}={3.4.5.6.7}

L.H.S 

=P(A')

=(3).(4).(5).(6).(3.4)(3.5)(3.6)(3.7)(4.5)(4.6)(4.7)(5.6)(5.7)(6.7)(3.4.5)(3.4.6)(3.4.7)(3.5.6)(3.5.7)(3.6.7)(4.5.6)(4.5.7)(5.6.7)(4.5.6.7)(3.5.6.7)(3.4.6.7)(3.4.5.6)(3.4.5.7)(3.4.5.6.7)…∅

11 months ago

গণিত

Please, contribute to add content.
Content

Related Question

View More