অধ্যায় : 19
গণিতপ্রভা -- সপ্তম শ্রেণি
কষে দেখি – 19.2
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উৎপাদকে বিশ্লেষণ করি –
- (i) $x^2 + 14x + 49$
- (ii) $4m^2 - 36m + 81$
- (iii) $25x^2+30x+9$
- (iv) $121b^2 - 88bc + 16$
- (v) $(x^2y)^2-4x^2y^2$
- (vi) $a^4+a^2b^2+4b^4$
- (vii) $4x^2 - 16$
- (viii) $121 - 36x^2$
- (ix) $x^2y^2-p^2q^2$
- (x) $80m^2 - 125$
- (xi) $ax^2 - ay^2$
- (xii) $1 - (m+n)^2$
- (xiii) $(2a - b - c)^2 - (a - 2b - c)^2$
- (xiv) $x^2 - 2xy -3y^2$
- (xv) $x^2 + 9y^2 + 6xy - z^2$
- (xvi) $a^2 - b^2 + 2bc - c^2$
- (xvii) $a^3(b - c)^3 - b^3(c - a)^3$
- (xviii) $x^2 - y^2 -6yz - 9z^2$
- (xix) $x^2-y^2+4x - 4y$
- (xx) $a^2-b^2+c^2-d^2-2(ac-bd)$
- (xxi) $2ab-a^2-b^2+c^2$
- (xxii) $36x^2-16a^2-24ab-9b^2$
- (xxiii) $a^2-1+2b-b^2$
- (xxiv) $a^2-2a-b^2+2b$
- (xxv) $(a^2-b^2)(c^2-d^2)-4abcd$
- (xxvi) $a^2-b^2-4ac+4bc$
- (xxvii) $(a^2-b^2-c^2+d^2)^2-4(ad-bc)^2$
- (xxviii) $3x^2y^2+z^2-2xy-4xz$
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উৎপাদকে বিশ্লেষণ করি-
- (i) $81x^4+4y^4$
- (ii) $p^4-13p^2q^2+4q^4$
- (iii) $x^8-16y^8$
- (iv) $x^4+x^2y^2+y^4$
- (v) $3x^4+2x^2y^2+y^4$
- (vi) $x^4+x^2+1$
- (vii) $x^4+6x^2y^2+8y^4$
- (viii) $3x^2y^2+z^2-2xy-4xz$
- (ix) $3x^4-4x^2y^2+y^4$
- (x) $p^4-2p^2q^2-15q^4$
- (xi) $x^8+x^4y^4+y^8$